This two-arm bracket for small lampposts fits 3 to 4 inch diameter poles.  The steel bracket has an adjustable center collar that fits around the lightpole using set screws to secure it in place, and holds two (2) hanging baskets up to 17" diameter.  This Gas Lamp Bracket is a Victorian style bracket with twisted steel arms and thickly sprayed with rust protected material.   Each arm of the bracket holds approximately 35-40 lbs.
 
Dimensions:
4" diam. collar, 42" overall
 
See our two-arm Heavy-duty Lamppost Bracket for larger lampposts.